Wallpaper author:
Michelle Ashford
14 Aug 2025
RCW 120
RCW 120, also catalogued as SH2-3 and GUM 58, is an emission nebula and HII region in the constellation of Scorpio. It is located approx. 4,300 Light years from Earth. The nebula is a bubble of gas and dust formed around an “O” type star, the most massive stellar giants known to exist.
This image has been processed as SHO, using Ha as an additional luminance frame. Stacking, chanel combination and Blur Exterminator using Pixinsight, final processing with Affinity, Star Exterminator and Topaz De-Noise.
Dataset from which the image was processed
RCW 120
6 credit
- Type of target............................................................................................................................Emission Nebula
- Camera............................................................................................................................QHY 600M
- Target coordinates............................................................................................................................RA 258.0917 Dec -38.4489
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................08 Sept 2024 - 17 Oct 2024
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| OIII | 300 | 3h | 36 |
| SII | 300 | 3h | 36 |
| Halpha | 300 | 3h | 36 |